<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<table style="width:200px; table-layout:fixed; background:darkkhaki;" cellpadding="0" cellspacing="0">
    <tr>
        <td style="width:10px; background:plum;">
            <div style="background:pink;">AAA</div>
        </td>
        <td style="width:20px; background:dodgerblue;">
            <div style="background:lightblue;">BBB</div>
        </td>
        <td style="width:30px; background:crimson;">
            <div style="background:gold;">CCC</div>
        </td>
    </tr>
</table>
</body>
</html>